nuttx/drivers/misc
Ansh Rai 54b0066a69 libs/libc: Fix divide-by-zero in stat() with large filesystem block sizes
blksize_t is currently defined as int16_t, which overflows when a
filesystem reports a block size larger than 32767 bytes. This causes
st_blksize to become zero, leading to an integer divide-by-zero when
st_blocks is calculated in stat().

Widen blksize_t to int32_t to support larger filesystem block sizes.

Update nuttx_blksize_t in include/nuttx/fs/hostfs.h to keep it
consistent with include/sys/types.h.

struct geometry.geo_sectorsize (include/nuttx/fs/ioctl.h) is also
typed blksize_t, so every debug print of that field using a 16-bit
format specifier is updated to PRId32 to match the new width:
drivers/misc/ramdisk.c, drivers/mmcsd/mmcsd_spi.c, drivers/mtd/ftl.c,
fs/driver/fs_blockmerge.c, drivers/mtd/smart.c,
drivers/usbhost/usbhost_storage.c, drivers/mmcsd/mmcsd_sdio.c,
arch/arm/src/s32k1xx/s32k1xx_eeeprom.c,
arch/arm/src/lc823450/lc823450_mmcl.c.

Signed-off-by: Ansh Rai <anshrai331@gmail.com>
Signed-off-by: root <root@LAPTOP-9C7LKDC5.localdomain>
2026-07-16 23:37:22 +08:00
..
addrenv.c drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
CMakeLists.txt drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
dev_ascii.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
dev_mem.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
dev_null.c drivers/iovec: revert vector io implement from loop/null/zero driver 2025-01-22 11:29:39 +08:00
dev_zero.c drivers/iovec: revert vector io implement from loop/null/zero driver 2025-01-22 11:29:39 +08:00
goldfish_pipe.c drivers/: Multiple Drivers Are Registered With World Writable Part 3 2026-07-16 09:49:07 -03:00
Kconfig rpmsgdev_server: use a separate workqueue to process poll 2025-12-12 17:48:43 +08:00
lwl_console.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
Make.defs drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
mkrd.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
optee.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
optee.h drivers/misc/optee: Add error conversion from errno to TEE errors 2025-08-06 02:29:33 +08:00
optee_msg.h drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
optee_rpc.c !nuttx: drop redundant casts on tv_sec/tv_nsec and fix printf formats 2026-05-19 16:21:28 +08:00
optee_rpc.h drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
optee_smc.c drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
optee_smc.h drivers/misc/optee: Add SMC backend for arm archs 2025-05-09 10:29:26 +08:00
optee_socket.c drivers/misc/optee.c: Add shm registration support 2025-05-09 10:29:26 +08:00
optee_supplicant.c drivers/misc/optee: Add error conversion from errno to TEE errors 2025-08-06 02:29:33 +08:00
optee_supplicant.h drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
ramdisk.c libs/libc: Fix divide-by-zero in stat() with large filesystem block sizes 2026-07-16 23:37:22 +08:00
rpmsgblk.c drivers/: Multiple Drivers Are Registered With World Writable Part 3 2026-07-16 09:49:07 -03:00
rpmsgblk.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
rpmsgblk_server.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
rpmsgdev.c drivers/: Multiple Drivers Are Registered With World Writable - Part 2 2026-07-15 15:27:28 +08:00
rpmsgdev.h drivers/rpmsg: add slash check for sepical rpmsg dev 2025-12-12 17:48:43 +08:00
rpmsgdev_server.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
rwbuffer.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00